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Incheon Intl

$457+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 61 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Heathrow to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Round-trip from

$750
(oojo)

One-way from

$457
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,206

Good round-trip deal

$1,143 or less

Good one-way deal

$1,613 or less
From London Heathrow to Incheon Intl
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One-way flight from London Heathrow to Incheon Intl
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Highest demand for flights based on searches. 15% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
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Price to beat on a one-way flight from London Heathrow to Incheon Intl.
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Find flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:00 pmLHR - ICN
1 stop17h 10mChina Southern
Wed 9/243:15 pmICN - LHR
1 stop35h 45mChina Southern
Deal found 7/30$750
This Lufthansa deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:30 amLHR - ICN
1 stop15h 20mLufthansa
Thu 1/11:05 pmICN - LHR
1 stop18h 15mLufthansa
Deal found 7/29$753
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:35 pmLHR - ICN
2 stops18h 25mScandinavian Airlines
Wed 11/1911:45 pmICN - LHR
1 stop18h 35mScandinavian Airlines
Deal found 7/29$755
This Etihad Airways deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:45 pmLHR - ICN
1 stop16h 20mEtihad Airways
Wed 11/512:50 amICN - LHR
1 stop22h 40mEtihad Airways
Deal found 7/30$763
This Shenzhen Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:05 pmLHR - ICN
1 stop31h 35mShenzhen Airlines
Tue 9/162:40 pmICN - LHR
1 stop37h 20mShenzhen Airlines
Deal found 7/30$776
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:40 pmLHR - ICN
1 stop15h 05mAir China
Tue 9/210:40 amICN - LHR
1 stop15h 05mAir China
Deal found 7/29$790
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:40 pmLHR - ICN
1 stop15h 05mMultiple Airlines
Thu 9/259:50 amICN - LHR
1 stop29h 05mMultiple Airlines
Deal found 7/30$799
This SWISS deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:00 amLHR - ICN
2 stops41h 25mSWISS
Wed 10/2210:05 amICN - LHR
2 stops19h 25mSWISS
Deal found 7/30$802

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 9/11

9:00 pm-10:10 pm

1 stop17h 10m

Incheon Intl

Wed 9/24

3:15 pm-7:00 pm

1 stop35h 45m

$750

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 12/14

10:30 am-10:50 am

1 stop15h 20m

Incheon Intl

Thu 1/1

1:05 pm-10:20 pm

1 stop18h 15m

$753

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 11/6

3:35 pm-7:00 pm

2 stops18h 25m

Incheon Intl

Wed 11/19

11:45 pm-9:20 am

1 stop18h 35m

$755

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 10/23

9:45 pm-10:05 pm

1 stop16h 20m

Incheon Intl

Wed 11/5

12:50 am-2:30 pm

1 stop22h 40m

$763

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 9/10

10:05 pm-1:40 pm

1 stop31h 35m

Incheon Intl

Tue 9/16

2:40 pm-8:00 pm

1 stop37h 20m

$776

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 8/26

10:40 pm-9:45 pm

1 stop15h 05m

Incheon Intl

Tue 9/2

10:40 am-5:45 pm

1 stop15h 05m

$790

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 9/21

10:40 pm-9:45 pm

1 stop15h 05m

Incheon Intl

Thu 9/25

9:50 am-6:55 am

1 stop29h 05m

$799

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 10/2

7:00 am-8:25 am

2 stops41h 25m

Incheon Intl

Wed 10/22

10:05 am-9:30 pm

2 stops19h 25m

$802

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 11/20

9:55 am-8:45 pm

3 stops25h 50m

$457

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 9/3

9:20 pm-1:15 pm

2 stops31h 55m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results
1
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The best insider tips for London Heathrow Airport to Incheon Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Incheon Intl Airport trip
Airports
LHR

Heathrow's strict security means longer waits. Ensure liquids are in one bag and remove suspicious items to avoid delays.

Read more about LHRby Ramsey Qubein
ICN

Use the AREX express train for a quick 40-50 minute trip from Incheon to Seoul Station. It's fast and convenient.

Read more about ICNby Gabriel Leigh
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Incheon Intl Airport

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $998). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to ICN?

Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from London Heathrow Airport to Incheon Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from London Heathrow Airport to Incheon Intl Airport

Explore weekly flight availability from Heathrow to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from LHR to ICN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from London Heathrow Airport to Incheon Intl Airport?

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with China Southern, SWISS, and Etihad Airways from London Heathrow Airport to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Southern
7.6
Good
104 reviews

Boarding

8.0

Crew

8.3

Comfort

7.9

Overall

7.6

Food

7.4

Entertainment

7.6

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
China Southern
7.6
Good
104 reviews
China Southern
7.6
Good
104 reviews

Boarding

8.0

Crew

8.3

Comfort

7.9

Overall

7.6

Food

7.4

Entertainment

7.6

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
SWISS
7.5
Good
1,686 reviews
China Southern
7.6
Good
104 reviews

Boarding

8.0

Crew

8.3

Comfort

7.9

Overall

7.6

Food

7.4

Entertainment

7.6

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
Etihad Airways
7.4
Good
1,230 reviews
China Southern
7.6
Good
104 reviews

Boarding

8.0

Crew

8.3

Comfort

7.9

Overall

7.6

Food

7.4

Entertainment

7.6

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
Scandinavian Airlines
7.3
Good
1,453 reviews
China Southern
7.6
Good
104 reviews

Boarding

8.0

Crew

8.3

Comfort

7.9

Overall

7.6

Food

7.4

Entertainment

7.6

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
Air China
7.3
Good
93 reviews
China Southern
7.6
Good
104 reviews

Boarding

8.0

Crew

8.3

Comfort

7.9

Overall

7.6

Food

7.4

Entertainment

7.6

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Heathrow Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is China Southern. Our recent data shows that you can find tickets from as low as $750 on this airline. Additional options worth looking into are Lufthansa and Scandinavian Airlines, starting at $753 and $755 round-trip. Users have found that China Southern is 19% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Incheon Intl Airport one-way?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as $459. However, be on the lookout for offers from Lufthansa and Air India, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Asiana Airlines (95%), Korean Air (92%) or Virgin Atlantic (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Incheon Intl Airport?

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $1,478, our data shows the cheapest flight currently is $821. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $598 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $998). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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Top 4 airlines flying from Heathrow to Incheon Intl

Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$507Average$711FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$579Average$801FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,373FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,000Average$1,171FlexibilityNo cancel feeOn-time81%

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